Comparison of UV protection by skin color based on UV reflection image pixel value

Juhuyun Kim; TaeYeon Gil; Onseok Lee

doi:10.1117/12.2647644

6 March 2023 Comparison of UV protection by skin color based on UV reflection image pixel value

Juhuyun Kim, TaeYeon Gil, Onseok Lee

Proceedings Volume 12373, Optical Biopsy XXI: Toward Real-Time Spectroscopic Imaging and Diagnosis; 123730D (2023) https://doi.org/10.1117/12.2647644
Event: SPIE BiOS, 2023, San Francisco, California, United States

Conference Poster

Abstract

Skin color varies depending upon the individual's melanin content; the more Ultraviolet (UV) radiation exposure, the more increases in melanin, and the darker the skin color. Protection from UV exposure is important because it is associated with the risk of pigmentation and skin cancer. Currently, Sun Protection Factor (SPF) and Protection of A (PA) indicated on sunscreen bottles are difficult to apply universally; a method of evaluating sunscreen performance that is customized to individual skins is required. This study confirmed that differences in skin color can be distinguished based on the pixels of images acquired with a UV camera; thus differences in the degree of UV protection could be analyzed according to skin color. The 36 skin sample images acquired with a UV camera were divided into 'Light', 'Medium', and 'Dark' according to the average pixel value of each image. A one-way analysis of variance (ANOVA) revealed a significant difference in the average pixel value between the three groups. The differences in average pixel value between the skin images immediately after applying sunscreen and 150 minutes after application was 3.91 in the ‘Light’, 3.27 in the ‘Medium’, and 3.65 in the ‘Dark’ group.

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Juhuyun Kim, TaeYeon Gil, and Onseok Lee "Comparison of UV protection by skin color based on UV reflection image pixel value", Proc. SPIE 12373, Optical Biopsy XXI: Toward Real-Time Spectroscopic Imaging and Diagnosis, 123730D (6 March 2023); https://doi.org/10.1117/12.2647644

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